aspects involving both student outcomes and teacher outcomes.For students, we assessed student growth, such as interest, self-efficacy and confidence incomputing. For teachers, we assessed teachers’ learning and adoption of inquiry-based practices,basic App Inventor computing skills, and observed how and to what extent they incorporatedApp Inventor programming and project app development into their courses. We also assessed theoverall impact of their project participation.MethodsThe project underwent both formative and summative evaluation throughout, all conducted by anexternal evaluation team (second and third authors) and reported regularly to the project leads(first and fourth author). Data collection included several components: • Annual